On Fri, Jul 14, 2017 at 10:30:52AM +0800, nickcooper-zhangtonghao wrote:
> 
> > On Jul 14, 2017, at 7:05 AM, Ben Pfaff <b...@ovn.org> wrote:
> > 
> > This change makes me nervous about dereferencing a null 'p'.  I think
> > that it will not do so, for a root bridge, but it takes some study to
> > see that.
> > 
> > How about this, instead?  It has a small amount of code duplication, but
> > it is easier to see that it avoids a null dereference.
> 
> 
> Looks good to me. Thanks.
> 
> Acked-by: nickcooper-zhangtonghao <n...@opencloud.tech>

Thanks.  I applied this to master.
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